Sicilian, Dragon Variation: Fianchetto Variation (B70)

The Fianchetto Variation is a variation of the Sicilian, Dragon Variation, catalogued as ECO B70. The line runs 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. g3 Bg7 7. Bg2 O-O, reaching the position shown below after 14 half-moves.

White holds the centre with pawns on e4. Development is level at three minor pieces each. It is White to move after seven moves. Black has castled while White’s king is still uncommitted.

On the Sicilian, Dragon Variation generally: One of the sharpest openings in chess. Black fianchettoes the bishop to g7 creating a 'dragon' formation. The Yugoslav Attack leads to opposite-side castling and mutual attacks.

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Sicilian, Dragon Variation: Fianchetto Variation — position after O-O h1g2f3e4d5c6b7a8
Position after 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. g3 Bg7 7. Bg2 O-O

Move order

#WhiteBlack
1e4c5
2Nf3d6
3d4cxd4
4Nxd4Nf6
5Nc3g6
6g3Bg7
7Bg2O-O

ECO: B70

Stockfish: +0.24 at depth 18

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Frequently asked questions

What are the moves of the Fianchetto Variation?

The Fianchetto Variation goes 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. g3 Bg7 7. Bg2 O-O. It is a variation of the Sicilian, Dragon Variation and is catalogued as ECO B70.

What is the ECO code for the Fianchetto Variation?

The Fianchetto Variation is ECO B70. ECO codes group openings by their move order, so nearby codes cover closely related lines of the Sicilian, Dragon Variation.

Is the Fianchetto Variation good for Black?

Stockfish evaluates the position after 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. g3 Bg7 7. Bg2 O-O at +0.24 at depth 18, which is balanced. Engine evaluation is only a starting point — at club level the practical value of a line is mostly about whether you know its plans better than your opponent does.

What kind of position does the Fianchetto Variation lead to?

White holds the centre with pawns on e4. Development is level at three minor pieces each. It is White to move. Black has castled while White’s king is still uncommitted.